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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
in its case it's smaller an neater than other diamond testers
not to be confused with the lesser quality "East German" brand of Zeiss Jena
if you are not a diamond dealer or experienced jeweller you must be certain you are testing a stone that has read 'diamond' or 'Moissanite' on a standard diamond tester
it's handy to swing the auxiliary lens down for very close inspection
Natural (mined) diamond
Pen-probe for kee gold tester, model M509-GM Options_With light in its case it's smallerSummary Replacement pen probe for KEE gold tester (model M 509GM). Please check carefully that you are ordering the correct pen probe, this one is for the KEE tester only. The Kee tester was discontinued in 2025. We have pre ordered the factory's entire production. We will be taking delivery of 200 shortly (September) then another 200 in December, then that's the end, there will be no more. We anticipate that this will be enough to last until February
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